Lake Superior (30-10-4) won the national championship two years ago, beating Wisconsin, 5-3, in Albany.
The Gophers (3-1) last won a Big Ten game when they beat Wisconsin by 22-19 in 1987.
The Boilermakers and Buckeyes share 2-0 marks atop a conference that was surprised when Indiana beat Wisconsin, 63-32.
Kentucky survived tonight in the Midwest Regional, beating Wisconsin, 63-57, and winning its 26th consecutive game.
Miami (3-0), which meets Notre Dame on Oct. 15, easily kept its top ranking by beating Wisconsin, 23-3.
In the end, Illinois decided to beat Wisconsin at its own board game.
Michigan beat Wisconsin, 37-0, Northwestern beat Purdue 22-0, and Illinois won at Chicago 7-0.
Michigan, No. 3, beat Wisconsin, 98-73, a team to whom the Wolverines had lost last season in a shocker by 18 points.
Even in defeat, Michigan could go to the Rose Bowl if Iowa beats Wisconsin.
No. 6 Michigan beat Wisconsin and is 4-0.